The Electrode, cataloged under National Stock Number 5977-01-145-9333, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Johnston Boiler Company. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5977-01-145-9333 |
| Primary Part Number | PT396-050 |
| Item Name | Electrode |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Johnston Boiler Company |
| Status | ACTIVE |
| Voltage Rating in Volts | 7500.0 AC |
| Length | 18.000 INCHES NOMINAL IN |
| Shape | ROUND |
| Outside Diameter | 0.562 INCHES NOMINAL IN |
| Features Provided | INSULATOR |
| Material | CERAMIC INSULATOR |
| Material | STEEL CORE |
| Construction | SOLID |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| PT396-050 | Johnston Boiler Company (USA) |
| Reference | Meaning |
|---|---|
| 3A6-12A | 5/9 Secondary reference Crown Engineering Corp |
| 22270 | 3/9 Design control — primary reference Crown Engineering Corp |
NSN 5977-01-145-9333 is a Electrode, manufactured by Johnston Boiler Company, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-01-145-9333 has 1 manufacturer part number on file: PT396-050 (Johnston Boiler Company).
4 possible matches (shared part number, not a government interchangeability claim): 6210-01-169-8422, 5310-01-214-2844, 4910-01-283-6000. Verify interchangeability with system specifications before substitution.
Key specifications for PT396-050: Voltage Rating in Volts: 7500.0 AC; Length: 18.000 INCHES NOMINAL IN; Shape: ROUND; Outside Diameter: 0.562 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.